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//============================================================
//
//  osd_cpu.h - Minimal core CPU-specific data types
//
//============================================================
//
//  Copyright Aaron Giles
//  All rights reserved.
//
//  Redistribution and use in source and binary forms, with or 
//  without modification, are permitted provided that the 
//  following conditions are met:
//
//    * Redistributions of source code must retain the above 
//      copyright notice, this list of conditions and the 
//      following disclaimer.
//	  * Redistributions in binary form must reproduce the 
//      above copyright notice, this list of conditions and 
//      the following disclaimer in the documentation and/or 
//      other materials provided with the distribution.
//	  * Neither the name 'MAME' nor the names of its 
//      contributors may be used to endorse or promote 
//      products derived from this software without specific 
//      prior written permission.
//
//  THIS SOFTWARE IS PROVIDED BY AARON GILES ''AS IS'' AND 
//  ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 
//  LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND 
//  FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO 
//  EVENT SHALL AARON GILES BE LIABLE FOR ANY DIRECT, 
//  INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 
//  DAMAGE (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 
//  SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR 
//  PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON 
//  ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 
//  LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 
//  ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN 
//  IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
//
//============================================================

/*******************************************************************************
*                                                                              *
*   Define size independent data types and operations.                         *
*                                                                              *
*   The following types must be supported by all platforms:                    *
*                                                                              *
*   UINT8  - Unsigned 8-bit Integer     INT8  - Signed 8-bit integer           *
*   UINT16 - Unsigned 16-bit Integer    INT16 - Signed 16-bit integer          *
*   UINT32 - Unsigned 32-bit Integer    INT32 - Signed 32-bit integer          *
*   UINT64 - Unsigned 64-bit Integer    INT64 - Signed 64-bit integer          *
*                                                                              *
*                                                                              *
*   The macro names for the artithmatic operations are composed as follows:    *
*                                                                              *
*   XXX_R_A_B, where XXX - 3 letter operation code (ADD, SUB, etc.)            *
*                    R   - The type of the result                              *
*                    A   - The type of operand 1                               *
*                    B   - The type of operand 2 (if binary operation)         *
*                                                                              *
*                    Each type is one of: U8,8,U16,16,U32,32,U64,64            *
*                                                                              *
*******************************************************************************/

#pragma once

#ifndef OSD_CPU_H
#define OSD_CPU_H

/* Combine two 32-bit integers into a 64-bit integer */
#define COMBINE_64_32_32(A,B)				((((UINT64)(A))<<32) | (UINT32)(B))
#define COMBINE_U64_U32_U32(A,B)			COMBINE_64_32_32(A,B)

/* Return upper 32 bits of a 64-bit integer */
#define HI32_32_64(A)						(((UINT64)(A)) >> 32)
#define HI32_U32_U64(A)						HI32_32_64(A)

/* Return lower 32 bits of a 64-bit integer */
#define LO32_32_64(A)						((A) & 0xffffffff)
#define LO32_U32_U64(A)						LO32_32_64(A)

#define DIV_64_64_32(A,B)					((A)/(B))
#define DIV_U64_U64_U32(A,B)				((A)/(UINT32)(B))

#define MOD_32_64_32(A,B)					((A)%(B))
#define MOD_U32_U64_U32(A,B)				((A)%(UINT32)(B))

#define MUL_64_32_32(A,B)					((A)*(INT64)(B))
#define MUL_U64_U32_U32(A,B)				((A)*(UINT64)(UINT32)(B))

#endif	/* defined OSD_CPU_H */